import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [{
      path: 'dashboard',
      name: 'Dashboard',
      component: () => import('@/views/dashboard/index'),
      meta: { title: 'Dashboard', icon: 'dashboard' }
    }]
  },

  {
    path: '/admin',
    component: Layout,
    redirect: '/admin/user',
    name: 'admin',
    children: [
      {
        path: 'user',
        component: () => import('@/views/admin/user'),
        meta: { title: 'User Management' }
      },
      {
        path: 'role',
        component: () => import('@/views/admin/role'),
        meta: { title: 'Role Management' }
      }
    ],
    meta: { title: 'Admin', icon: 'example' }
  },

  {
    path: '/devices',
    component: Layout,
    redirect: '/devices/index',
    name: 'Device',
    meta: { title: 'Devices', icon: 'ipad' },
    children: [
      {
        path: 'index',
        name: 'DeviceIndex',
        component: () => import('@/views/devices'),
        hidden: true
      },
      {
        path: '/devices/*',
        name: 'DeviceDetail',
        component: () => import('@/views/devices/device-detail'),
        hidden: true,
        meta: { title: 'Device detail' }
      }
    ]
  },

  {
    path: '/monitor',
    component: Layout,
    name: 'monitor',
    redirect: '/monitor/sensor',
    children: [
      {
        path: 'group',
        name: 'Device Group',
        component: () => import('@/views/monitor/group'),
        meta: { title: 'Device Group' }
      },
      {
        path: 'groups/*',
        name: 'Group Detail',
        component: () => import('@/views/monitor/group/group-detail'),
        hidden: true,
        meta: { title: 'Group Detail' }
      },
      {
        path: 'sensor',
        name: 'Sensor List',
        component: () => import('@/views/monitor/sensor'),
        meta: { title: 'Sensors' }
      },
      {
        path: 'sensors/*',
        name: 'Sensor Detail',
        component: () => import('@/views/monitor/sensor/sensor-detail'),
        hidden: true,
        meta: { title: 'Sensor Detail' }
      }
    ],
    meta: { title: 'Monitoring', icon: 'tree' }
  },

  {
    path: '/meter',
    name: 'Meter',
    redirect: '/meter/list',
    component: Layout,
    children: [
      {
        path: 'area',
        name: 'Area Usage',
        component: () => import('@/views/meter/area'),
        meta: { title: 'Area Usage' }
      }
      // {
      //   path: 'list',
      //   name: 'Meter List',
      //   component: () => import('@/views/meter/meter-list'),
      //   meta: { title: 'Meters' }
      //   // hidden: true
      // }
    ],
    meta: { title: 'Meter Management', icon: 'nested' }
  },

  {
    path: '/notification',
    component: Layout,
    children: [
      {
        path: 'index',
        name: 'Notification',
        component: () => import('@/views/notification'),
        meta: { title: 'Notification', icon: 'eye-open' }
      }
    ]
  },

  // {
  //   path: '/map',
  //   component: Layout,
  //   children: [
  //     {
  //       path: 'demo',
  //       name: 'MapDemo',
  //       component: () => import('@/views/demo-map/index'),
  //       meta: { title: 'MapDemo', icon: 'tree' }
  //     }
  //   ]
  // },

  // 404 page must be placed at the end !!!
  { path: '*', redirect: '/404', hidden: true }
]

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
